Home / 370,552.14-554,499.54-320,803.38

Finding the Fourth Proportional to 370,552.14, 554,499.54 and 320,803.38

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Solution

The fourth proportional to 370,552.14, 554,499.54 and 320,803.38 is: 480,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,552.14 : 554,499.54 = 320,803.38 : x
  2. Step 2: Convert to fraction form
    370,552.14/554,499.54 = 320,803.38/x
  3. Step 3: Cross multiply
    370,552.14x = 554,499.54 × 320,803.38
  4. Step 4: Simplify right side
    370,552.14x = 177,885,326,640.45
  5. Step 5: Solve for x
    x = 177,885,326,640.45/370,552.14
  6. Step 6: Final answer
    x = 480,054.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.